reFX Nexus v5[.]3[.]27[.]exe

Sharing

Copy URL Twitter E-mail

General

Target
reFX Nexus v5.3.27.exe
Size 23.3MB
Sample260705-m8ezmsfx2p
SHA256 38f9edf5b83cf6ada98531d3ee43372690d06d8ff73fb3d17d13acf63de122ca
MD5 80fb46bba18c65de6fdac7839a1d0c7f
SHA1 18a2eaaecc7f62a9a53d67166f6aeb7984e9abe6
SHA512 f32bc46a05fa35c7a5b0be8f9413c353ffd72e3b652bfc6be02796ddfa37705ca600f5c2d4a6cc14b9fb9e5473a6fef99c05fc4539f4b460a98d3d33f913da60
SSDEEP 393216:fQqO5Nq0cKRTTFDBJkCudS8hvVSvYi3eHZg7R2El2DLBVS1DnKhfwJroKQuSIdbl:1O5Vv9FDBhkD1g8ZL6JnSwJEzuhInM
TLSH
T16D37332AB26E913DD48A59318873C2509A377F75B9328D6F43F0380CDF654880F7B66A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

installer

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
reFX Nexus v5.3.27.exe

Inno Setup is an open-source installation builder for Windows applications. 1 IoCs

Inno Setup installer

installer

resource	yara_rule
sample	innosetup

File Explorer

reFX Nexus v5.3.27.exe

.exe 23.3MB

reFX Nexus v5.3.27.exe

IMPHASH 18d60425fd93eccbd964ff66b826efa1
SHA256 38f9edf5b83cf6ada98531d3ee43372690d06d8ff73fb3d17d13acf63de122ca
MD5 80fb46bba18c65de6fdac7839a1d0c7f
SHA1 18a2eaaecc7f62a9a53d67166f6aeb7984e9abe6
SHA512 f32bc46a05fa35c7a5b0be8f9413c353ffd72e3b652bfc6be02796ddfa37705ca600f5c2d4a6cc14b9fb9e5473a6fef99c05fc4539f4b460a98d3d33f913da60
SSDEEP 393216:fQqO5Nq0cKRTTFDBJkCudS8hvVSvYi3eHZg7R2El2DLBVS1DnKhfwJroKQuSIdbl:1O5Vv9FDBhkD1g8ZL6JnSwJEzuhInM
TLSH
T16D37332AB26E913DD48A59318873C2509A377F75B9328D6F43F0380CDF654880F7B66A
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
Inno Setup is an open-source installation builder for Windows applications.

Inno Setup installer

installer

Minor OS version

Major OS version

Entry point

838608

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_BYTES_REVERSED_LO IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_BYTES_REVERSED_HI

PDB paths

kernel32

GetACP GetExitCodeProcess LocalFree CloseHandle SizeofResource VirtualProtect QueryPerformanceFrequency VirtualFree GetFullPathNameW ExitProcess HeapAlloc GetCPInfoExW RtlUnwind GetCPInfo GetStdHandle GetModuleHandleW FreeLibrary HeapDestroy ReadFile CreateProcessW GetLastError GetModuleFileNameW SetLastError FindResourceW CreateThread CompareStringW LoadLibraryA ResetEvent GetVolumeInformationW GetVersion GetDriveTypeW RaiseException FormatMessageW SwitchToThread GetExitCodeThread GetCurrentThread LoadLibraryExW LockResource GetCurrentThreadId UnhandledExceptionFilter VirtualQuery VirtualQueryEx Sleep EnterCriticalSection SetFilePointer LoadResource SuspendThread GetTickCount GetFileSize GetStartupInfoW GetFileAttributesW InitializeCriticalSection GetSystemWindowsDirectoryW GetThreadPriority SetThreadPriority GetCurrentProcess VirtualAlloc GetSystemInfo GetCommandLineW LeaveCriticalSection GetProcAddress ResumeThread GetVersionExW VerifyVersionInfoW HeapCreate GetWindowsDirectoryW VerSetConditionMask GetDiskFreeSpaceW FindFirstFileW GetUserDefaultUILanguage lstrlenW QueryPerformanceCounter SetEndOfFile HeapFree WideCharToMultiByte FindClose MultiByteToWideChar LoadLibraryW SetEvent CreateFileW GetLocaleInfoW GetSystemDirectoryW DeleteFileW GetLocalTime GetEnvironmentVariableW WaitForSingleObject WriteFile ExitThread DeleteCriticalSection TlsGetValue GetDateFormatW SetErrorMode IsValidLocale TlsSetValue CreateDirectoryW GetSystemDefaultUILanguage EnumCalendarInfoW LocalAlloc GetUserDefaultLangID RemoveDirectoryW CreateEventW SetThreadLocale GetThreadLocale

comctl32

InitCommonControls

version

GetFileVersionInfoSizeW VerQueryValueW GetFileVersionInfoW

user32

CreateWindowExW TranslateMessage CharLowerBuffW CallWindowProcW CharUpperW PeekMessageW GetSystemMetrics SetWindowLongW MessageBoxW DestroyWindow CharUpperBuffW CharNextW MsgWaitForMultipleObjects LoadStringW ExitWindowsEx DispatchMessageW

oleaut32

SysAllocStringLen SafeArrayPtrOfIndex VariantCopy SafeArrayGetLBound SafeArrayGetUBound VariantInit VariantClear SysFreeString SysReAllocStringLen VariantChangeType SafeArrayCreate

msvcrt

memcpy

netapi32

NetWkstaGetInfo NetApiBufferFree

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW OpenThreadToken AdjustTokenPrivileges LookupPrivilegeValueW RegOpenKeyExW OpenProcessToken FreeSid AllocateAndInitializeSid EqualSid RegQueryValueExW GetTokenInformation ConvertSidToStringSidW RegCloseKey

Name

.text

Size

809KB

Virtual Size

809KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.itext

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

27KB

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didata

Size

512B

Virtual Size

420B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

154B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

Virtual Size

24B

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

512B

Virtual Size

93B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

31KB

Virtual Size

30KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

reFX Nexus v5.3.27.exe

kernel32

comctl32

version

user32

oleaut32

msvcrt

netapi32

advapi32

generic